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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFAPI_RENDER_CPDF_IMAGERENDERER_H_
#define CORE_FPDFAPI_RENDER_CPDF_IMAGERENDERER_H_
#include <memory>
#include "core/fpdfapi/render/cpdf_imageloader.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/dib/cfx_imagerenderer.h"
class CFX_DIBitmap;
class CFX_DIBBase;
class CFX_DefaultRenderDevice;
class CFX_ImageTransformer;
class CPDF_ImageObject;
class CPDF_PageObject;
class CPDF_Pattern;
class CPDF_RenderStatus;
class CPDF_ImageRenderer {
public:
CPDF_ImageRenderer();
~CPDF_ImageRenderer();
bool Start(CPDF_RenderStatus* pStatus,
CPDF_ImageObject* pImageObject,
const CFX_Matrix* pObj2Device,
bool bStdCS,
int blendType);
bool Start(CPDF_RenderStatus* pStatus,
const RetainPtr<CFX_DIBBase>& pDIBBase,
FX_ARGB bitmap_argb,
int bitmap_alpha,
const CFX_Matrix* pImage2Device,
uint32_t flags,
bool bStdCS,
int blendType);
bool Continue(PauseIndicatorIface* pPause);
bool GetResult() const { return m_Result; }
private:
bool StartBitmapAlpha();
bool StartDIBBase();
bool StartRenderDIBBase();
bool StartLoadDIBBase();
bool DrawMaskedImage();
bool DrawPatternImage(const CFX_Matrix* pObj2Device);
bool NotDrawing() const;
FX_RECT GetDrawRect() const;
CFX_Matrix GetDrawMatrix(const FX_RECT& rect) const;
void CalculateDrawImage(CFX_DefaultRenderDevice* bitmap_device1,
CFX_DefaultRenderDevice* bitmap_device2,
const RetainPtr<CFX_DIBBase>& pDIBBase,
CFX_Matrix* pNewMatrix,
const FX_RECT& rect) const;
void HandleFilters();
UnownedPtr<CPDF_RenderStatus> m_pRenderStatus;
UnownedPtr<CPDF_ImageObject> m_pImageObject;
int m_Status;
UnownedPtr<const CFX_Matrix> m_pObj2Device;
CFX_Matrix m_ImageMatrix;
CPDF_ImageLoader m_Loader;
RetainPtr<CFX_DIBBase> m_pDIBBase;
int m_BitmapAlpha;
bool m_bPatternColor;
UnownedPtr<CPDF_Pattern> m_pPattern;
FX_ARGB m_FillArgb;
uint32_t m_Flags;
std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
std::unique_ptr<CFX_ImageRenderer> m_DeviceHandle;
bool m_bStdCS;
int m_BlendType;
bool m_Result;
};
#endif // CORE_FPDFAPI_RENDER_CPDF_IMAGERENDERER_H_
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